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Ammoniojarosite

Big Photo

Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany
© Elmar Lackner

Formula:
(NH
 
4
)Fe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2
System:TrigonalColour:Light yellow; light ...
Hardness:3½ - 4½
Name:In allusion to its composition containing dominant AMMONIa, and its relationship to JAROSITE.


Alunite Group, Jarosite subgroup.

Classification of Ammoniojarosite

IMA status:Approved
Strunz 8th edition ID:6/B.11-70
Nickel-Strunz 10th (pending) edition ID:7.BC.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
Dana 8th edition ID:30.2.5.4

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)2(XO4)Zq
Hey's CIM Ref.:25.11.14

25 : Sulphates
11 : Sulphates of Fe and other metals
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Type Occurrence of Ammoniojarosite

Type Locality:Kaibab fault, Kane Co., Utah, USA
Year of Discovery:1927

Physical Properties of Ammoniojarosite

Lustre:Waxy, Dull, Earthy
Colour:Light yellow; light yellow to nearly colourless in transmitted light.
Hardness (Mohs):3½ - 4½

Crystallography of Ammoniojarosite

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3m
Cell Parameters:a = 7.32Å, c = 17.5Å
Ratio:a:c = 1 : 2.391
Unit Cell Volume:V 812.07 ų (Calculated from Unit Cell)
Morphology:Small lumps and irregular flattened nodules comprised of microscopic tabulr grains with hexagonal outlines at times.

Optical Data of Ammoniojarosite

Type:Uniaxial (-)
RI values: nω = 1.800 nε = 1.750
Maximum Birefringence:δ = 0.050

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Ammoniojarosite

Formula:
(NH
 
4
)Fe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2
Essential elements:Fe, H, N, O, S
All elements listed in formula:Fe, H, N, O, S

Relationship of Ammoniojarosite to other Species

Related to:
  • Jarosite Subgroup
    • Related Minerals - Nickel-Strunz Grouping):

    - +
    7.BC.05D'Ansite
    Na
     
    21
    		Mg(SO
     
    4
    		)
     
    10
    		Cl
     
    3
    7.BC.10Alunite
    KAl
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Ammonioalunite
    (NH
     
    4
    		)Al
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Argentojarosite
    AgFe
    3+
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Beaverite
    Pb(Fe
    3+
     
    		,Cu,Al)
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Dorallcharite
    (Tl,K)Fe
    3+
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Huangite
    CaAl
     
    6
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    4
    7.BC.10Hydroniumjarosite
    (H
     
    3
    		O)Fe
    3+
    3
    		(SO
     
    4
    		)
     
    2
    		(OH)
     
    6
    7.BC.10Jarosite
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Minamiite
    (Na,Ca
     
    0.5
    		,K)Al
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Natroalunite
    (Na,K)Al
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Natrojarosite
    NaFe
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Osarizawaite
    Pb(Al,Cu)
     
    3
    		[(OH,H
     
    2
    		O)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.10Plumbojarosite
    PbFe
    3+
    6
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    4
    7.BC.10Schlossmacherite
    (H
     
    3
    		O,Ca)Al
     
    3
    		[(OH)
     
    6
    		|(SO
     
    4
    		,AsO
     
    4
    		)
     
    2
    		]
    7.BC.10Walthierite
    BaAl
     
    6
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    4
    7.BC.15Ye'elimite
    Ca
     
    4
    		Al
     
    6
    		[O
     
    12
    		|SO
     
    4
    		]
    7.BC.20Atlasovite
    K(BiO)Cu
     
    6
    		Fe
    3+
     
    		[Cl|O
     
    3
    		|(SO
     
    4
    		)
     
    5
    		]
    7.BC.20Nabokoite
    KCu
     
    7
    		Te
    4+
     
    		[Cl|O
     
    4
    		|(SO
     
    4
    		)
     
    5
    		]
    7.BC.25Chlorothionite
    K
     
    2
    		Cu[Cl
     
    2
    		|SO
     
    4
    		]
    7.BC.30Euchlorine
    KNaCu
     
    3
    		[O|(SO
     
    4
    		)
     
    3
    		]
    7.BC.30Fedotovite
    K
     
    2
    		Cu
     
    3
    		[O|(SO
     
    4
    		)
     
    3
    		]
    7.BC.35Kamchatkite
    KCu
     
    3
    		[O|Cl|(SO
     
    4
    		)
     
    2
    		]
    7.BC.40Piypite
    K
     
    2
    		Cu
     
    2
    		[O|(SO
     
    4
    		)
     
    2
    		]
    7.BC.45Klyuchevskite
    K
     
    3
    		Cu
     
    3
    		(Fe
    3+
     
    		,Al)[O|(SO
     
    4
    		)
     
    2
    		]
     
    2
    7.BC.45Alumoklyuchevskite
    K
     
    3
    		Cu
     
    3
    		(Al,Fe
    3+
     
    		)[O|(SO
     
    4
    		)
     
    2
    		]
     
    2
    7.BC.50Caledonite
    Cu
     
    2
    		Pb
     
    5
    		[(OH)
     
    6
    		|CO
     
    3
    		|(SO
     
    4
    		)
     
    3
    		]
    7.BC.55Wherryite
    Pb
     
    7
    		Cu
     
    2
    		(SO
     
    4
    		)
     
    4
    		(SiO
     
    4
    		)
     
    2
    		(OH)
     
    2
    7.BC.60Mammothite
    Pb
     
    6
    		Cu
     
    4
    		AlSb[(OH)
     
    9
    		|Cl
     
    2
    		|SO
     
    4
    		]
     
    2
    7.BC.65Linarite
    PbCu[(OH)
     
    2
    		|SO
     
    4
    		]
    7.BC.65Schmiederite
    Pb
     
    2
    		Cu
     
    2
    		[(OH)
     
    4
    		|SeO
     
    3
    		|SeO
     
    4
    		]
    7.BC.65Munakataite
    Pb
     
    2
    		Cu
     
    2
    		(Se
    4+
     
    		O
     
    3
    		)(SO
     
    4
    		)(OH)
     
    4
    7.BC.70Chenite
    Pb
     
    4
    		Cu[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    7.BC.75Krivovichevite
    Pb
     
    3
    		[Al(OH)
     
    6
    		](SO
     
    4
    		)(OH)
    7.BC.80Anhydrokainite
    KMgClSO
     
    4
    Related Minerals - Hey's Index Grouping:

    - +
    25.11.1Natrojarosite
    NaFe
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    25.11.2Sideronatrite
    Na
     
    2
    		Fe(SO
     
    4
    		)
     
    2
    		OH·3H
     
    2
    		O
    25.11.3Metasideronatrite
    Na
     
    4
    		Fe
     
    2
    		(SO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		·2H
     
    2
    		O
    25.11.4Ferrinatrite
    Na
     
    3
    		Fe(SO
     
    4
    		)
     
    3
    		·3H
     
    2
    		O
    25.11.5Amarillite
    NaFe(SO
     
    4
    		)
     
    2
    		·6H
     
    2
    		O
    25.11.6Yavapaiite
    KFe(SO
     
    4
    		)
     
    2
    25.11.7Krausite
    KFe(SO
     
    4
    		)
     
    2
    		·H
     
    2
    		O
    25.11.8Goldichite
    KFe(SO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    25.11.9Jarosite
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    25.11.10Voltaite
    K
     
    2
    		Fe
    2+
    5
    		Fe
    3+
    3
    		Al[SO
     
    4
    		]
     
    12
    		 · 18H
     
    2
    		O
    25.11.11Ungemachite
    K
     
    3
    		Na
     
    8
    		Fe(SO
     
    4
    		)
     
    6
    		(NO
     
    3
    		)
     
    2
    		·6H
     
    2
    		O
    25.11.12Metavoltine
    Na
     
    6
    		K
     
    2
    		FeFe
     
    6
    		(SO
     
    4
    		)
     
    12
    		O
     
    2
    		·18H
     
    2
    		O
    25.11.13Sabieite
    NH
     
    4
    		Fe(SO
     
    4
    		)
     
    2
    25.11.15Clairite
    (NH
     
    4
    		)
     
    2
    		Fe
     
    3
    		(SO
     
    4
    		)
     
    4
    		(OH)
     
    3
    		·3H
     
    2
    		O
    25.11.16Mohrite
    (NH
     
    4
    		)
     
    2
    		Fe(SO
     
    4
    		)
     
    2
    		·6H
     
    2
    		O
    25.11.17Lonecreekite
    (NH
     
    4
    		)Fe
    3+
     
    		[SO
     
    4
    		]
     
    2
    		 · 12H
     
    2
    		O
    25.11.18Godovikovite
    NH
     
    4
    		(Al,Fe)(SO
     
    4
    		)
     
    2
    25.11.19Botryogen
    MgFe
    3+
     
    		[OH|(SO
     
    4
    		)
     
    2
    		] · 7H
     
    2
    		O
    25.11.21Slavíkite
    (H
     
    3
    		O
    +
     
    		)
     
    3
    		Mg
     
    6
    		Fe
     
    15
    		(SO
     
    4
    		)
     
    21
    		(OH)
     
    18
    		·99H
     
    2
    		O
    25.11.23Sturmanite
    Ca
     
    6
    		(Fe
    3+
     
    		,Al,Mn
    3+
     
    		)
     
    2
    		[(OH)
     
    12
    		|B(OH)
     
    4
    		|(SO
     
    4
    		)
     
    2
    		] · 25H
     
    2
    		O
    25.11.24Millosevichite
    (Al,Fe)
     
    2
    		(SO
     
    4
    		)
     
    3
    25.11.25Aluminocopiapite
    Al
     
    2/3
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
    25.11.26Halotrichite
    FeAl
     
    2
    		(SO
     
    4
    		)
     
    4
    		·22H
     
    2
    		O
    25.11.27Idrizite
    (Mg,Fe)(Al,Fe)
     
    2
    		(SO
     
    4
    		)
     
    3
    		(OH)
     
    2
    		·15H
     
    2
    		O or near
    25.11.28Lishizhenite
    ZnFe
     
    2
    		(SO
     
    4
    		)
     
    4
    		·14H
     
    2
    		O
    25.11.29Zincovoltaite
    K
     
    2
    		Zn
     
    5
    		Fe
    3+
    3
    		Al[SO
     
    4
    		]
     
    12
    		 · 18H
     
    2
    		O

    Other Names for Ammoniojarosite

    Other Languages:
    German:Ammoniojarosit
    Russian:Аммониоярозит
    Spanish:Ammoniojarosita

    Other Information

    Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

    References for Ammoniojarosite

    Reference List:Shannon (1927) American Mineralogist: 12: 424.

    Shannon (1929) Proceedings of the U.S. National Museum: 74[13].

    Hendricks (1937) American Mineralogist: 22: 773.

    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 562.

    Canadian Mineralogist (1982): 20: 91.

    Basciano,L.C. & Peterson, R.C. (2007): The crystal structure of ammoniojarosite, (NH4)Fe3(SO4)2(OH)6 and the crystal chemistry of the ammoniojarosite–hydronium jarosite solid-solution series. Mineralogical Magazine, 71, 427-441

    Internet Links for Ammoniojarosite

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  • Search for Ammoniojarosite in the Natural History Museum (London) online catalogue
  • Ammoniojarosite details from Handbook of Mineralogy (PDF)
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    Localities for Ammoniojarosite

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Austria
     
    • Styria
      • Köflach
        • Köflach - Voitsberg lignite deposit
          • Zangtal District
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Skřivaň
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 563.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • North Rhine-Westphalia
      • Aachen
        • Alsdorf
    		Collection Elmar Lackner
      • Sauerland
        • Arnsberg
          • Uentrop
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Erzgebirge
    		Lapis 30(7/8):78-80 (2005)
    Slovakia
     
    • Prešov Region
      • Northern Slanské Mts
    		Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    USA
     
    • California
      • Lake Co.
        • Clear Lake Oaks
          • Clear Lake
    		Amer. Mineral., 1964, 49, 831
      • Sonoma Co.
    		American Mineralogist (1988): 73: 145-152.; Dunning, G. S. & Cooper, J. F. (1993): History and minerals of The Geysers Sonoma County, California. Mineralogical Record 24 (5): 339-352
    • Oklahoma
      • Okmulgee Co.
    		Rocks & Minerals: 72(4): 252-264.
    • Tennessee
      • Sevier Co.
        • Great Smoky Mts
    		Coskren, T. D. & Lauf, R. J. (2000): The Minerals of Alum Cave Bluff, Great Smoky Mountains, Tennessee. Mineralogical Record, 31, 163-175.
    • Utah
      • Kane Co.
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 563; American Mineralogist (1927): 12: 424-426.
    • Wyoming
      • Sweetwater Co.
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 476.
    Venezuela
     
    • Miranda
    		Urbani, 1997. Bol. Soc. Venezolana de Espeleología, no.30.
    Mineral and/or Locality
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